Ultra-high efficiency power conversion using cryogenic MOSFETs and HT-superconductors

O. Mueller, K. Herd
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引用次数: 43

Abstract

Ultra-high efficiency (>99%) power conversion and the corresponding energy savings can be accomplished by combining two new devices: the cryogenic power MOSFET and the high current inductor made with high-temperature (HT) superconductors. Their properties are reviewed. Several possible applications are discussed such as high-power inverters, switchmode amplifiers, and multi-kilowatt RF generators. Design information is presented for the thermal losses of a cryogenic container and the required electrical conductors to a cryogenic circuit. It is investigated if there are potential advantages of cryogenic power conversion such as drastic size, weight, and cost reductions at improved reliability.<>
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使用低温mosfet和高温超导体的超高效率功率转换
通过结合低温功率MOSFET和高温超导体制成的大电流电感两种新型器件,可以实现超高效率(>99%)的功率转换和相应的节能。综述了它们的性质。讨论了几种可能的应用,如大功率逆变器、开关模式放大器和多千瓦射频发生器。提出了低温容器的热损耗和低温电路所需的电导体的设计信息。研究了低温功率转换是否有潜在的优势,如在提高可靠性的情况下大幅减小尺寸、重量和成本。
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